package com.zb_study.homework01;

public class homework01 {
    public static void main(String[] args) {

        try {
            if(args.length != 2) {
                throw new ArrayIndexOutOfBoundsException("参数个数不对");
            }

            int n1 = Integer.parseInt(args[0]);
            int n2 = Integer.parseInt(args[1]);

            double res = cal(n1, n2);
            System.out.println("计算结果是=" +res);

        } catch (ArrayIndexOutOfBoundsException e) {
            System.out.println(e.getMessage());
        }catch (NumberFormatException e) {
            System.out.println("参数格式不正确，需要输出整数");
        }catch (ArithmeticException e) {
            System.out.println("出现了分母为0");
        }
        //先把接收到的参数，转成整数
    }

    public static double cal(int n1, int n2) {
        return n1/n2;

    }
}
